from rsf.proj import *

Flow('polar',None,
     '''
     math
     o1=0 d1=0.01 n1=600 label1=Radius
     o2=-3.15 d2=0.01 n2=631 label2=Angle
     output="x1/(1+0.5*cos(4*x2))"
     ''')

Plot('polar',
     '''
     grey color=j allpos=y pclip=100 title=Polar
     screenratio=1
     ''')

Flow('rad',None,
     '''
     math
     o1=-6 d1=0.04 n1=301
     o2=-6 d2=0.04 n2=301
     output="sqrt(x1*x1+x2*x2)"
     ''')
Flow('ang',None,
     '''
     math
     o1=-6 d1=0.04 n1=301
     o2=-6 d2=0.04 n2=301
     output="x2&x1"
     ''')
Flow('coord','rad ang','cat ${SOURCES[1]} | transp plane=13')

Flow('cart','polar coord',
     'inttest2 coord=${SOURCES[1]} interp=cub nw=4')

Plot('cart',
     '''
     grey color=j allpos=y label1=x label2=y title=Cartesian
     screenratio=1
     ''')

Result('polar','polar cart','SideBySideIso')

End()